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Finding the Fourth Proportional to 1,337.96, 1,846.18 and 748.42

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Solution

The fourth proportional to 1,337.96, 1,846.18 and 748.42 is: 1,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.96 : 1,846.18 = 748.42 : x
  2. Step 2: Convert to fraction form
    1,337.96/1,846.18 = 748.42/x
  3. Step 3: Cross multiply
    1,337.96x = 1,846.18 × 748.42
  4. Step 4: Simplify right side
    1,337.96x = 1,381,718.04
  5. Step 5: Solve for x
    x = 1,381,718.04/1,337.96
  6. Step 6: Final answer
    x = 1,032.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.